CN104591731A - Raw material powder for composite-grain zirconia ceramics with high wear resistance and preparation process of raw material powder - Google Patents
Raw material powder for composite-grain zirconia ceramics with high wear resistance and preparation process of raw material powder Download PDFInfo
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- CN104591731A CN104591731A CN201510052359.8A CN201510052359A CN104591731A CN 104591731 A CN104591731 A CN 104591731A CN 201510052359 A CN201510052359 A CN 201510052359A CN 104591731 A CN104591731 A CN 104591731A
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Abstract
The invention discloses raw material powder for composite-grain zirconia ceramics with high wear resistance and a preparation process of the raw material powder. The raw material powder comprises a main material and a yttrium-stable zirconia clinker, wherein the weight ratio of the yttrium-stable zirconia clinker to the main material is 1: (5-20); the main material is a mixture of zirconium oxychloride and yttrium nitrate; and the molar ratio of zirconium oxychloride to yttrium nitrate is 97:3. The raw material powder disclosed by the invention is high in wear resistance and hardness and corrosion-resistant. A ceramic part made of the raw material powder disclosed by the invention is high in wear resistance and beneficial to continuous and durable application; and the raw material powder is particularly suitable for ceramic knives and can be widely applied to other ceramic equipment or tools with high wear-resistant requirements.
Description
Technical field
The present invention relates to a kind of ceramic field, specifically relate to a kind of composite grain high abrasion zirconia ceramics material powder and preparation technology thereof.
Background technology
Along with people are to the pursuit of green health environmental protection mode of life, new ideas sintex more popular become a kind of fashion gradually, especially the use of zirconia ceramic knife and market progressively expand.For steel knife, Stupalox has longer work-ing life, is known as " never wornout ".But in fact, after Stupalox normally uses for some time, sharpness still can decline to a great extent.Market demand real more long lifetime, more wear-resisting Stupalox.
Zirconia ceramic knife is become by zirconia ceramics powder system, and the performance of zirconia ceramics material powder determines the characteristic of zirconia ceramics part finished product largely.Therefore, the wear resistance of zirconia ceramics material powder should be improved.
Summary of the invention
The invention provides a kind of composite grain high abrasion zirconia ceramics material powder, its wear resistance is high, provides its preparation technology simultaneously.
For achieving the above object, the present invention is by the following technical solutions:
A kind of composite grain high abrasion zirconia ceramics material powder, comprise major ingredient and the stable zirconium white grog of yttrium, the weight ratio of the zirconium white grog that yttrium is stable and major ingredient is 1:5 ~ 20; Wherein: major ingredient is the composition of zirconium oxychloride and Yttrium trinitrate, the mol ratio of zirconium oxychloride and Yttrium trinitrate is 97:3.
The preparation technology of the zirconium white grog that yttrium is stable is: the yttrium stable zirconium oxide containing yttrium 3mol% calcines 3-5 hour through 1450 ~ 1750 DEG C, and then through fragmentation, sieve gained.
The particle diameter of the zirconium white grog that yttrium is stable is 20 ~ 80um.
Preferably, the zirconium white grog that yttrium is stable is made up of by weight percentage the grog of following particle diameter: the grog 20% of particle diameter 20 ~ 30um (be more than or equal to 20um and be less than 30um), the grog 60% of particle diameter 30 ~ 40um (be more than or equal to 30um and be less than 40um), the grog 10% of particle diameter 40 ~ 60um (be more than or equal to 40um and be less than 60um) and the grog 10% of particle diameter 60-80um (be more than or equal to 60um and be less than or equal to 80um).
The preparation technology of above-mentioned a kind of composite grain high abrasion zirconia ceramics material powder, carries out according to the following steps:
(1) zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol are stirred and be dissolved in deionized water, be prepared into solution A, wherein the weight ratio of polyoxyethylene glycol and major ingredient is 1:100 ~ 800, and the weight ratio of the composition of deionized water and zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol is 1:0.45 ~ 0.85;
Ammonium hydrogencarbonate and deionized water are mixed with the solution that mass percentage concentration is 15-20%, obtain solution B;
Peregal and deionized water are mixed with the solution that mass percentage concentration is 10%, obtain solution C; The volume ratio of solution C and solution A is 1:5 ~ 20;
(2) first by zirconium white grog stable for yttrium, be added in the reactor of belt stirrer with deionized water, stir, then drip solution A and solution B simultaneously, carry out coprecipitation reaction;
The rate of addition of regulator solution B, control pH=8.5 ~ 10, after reaction terminates, continue stir and drip solution C;
(3) after solution C drips, stir, then adopt deionized water washing process, oven dry, calcining, finally pulverize.
Preferably, the temperature of described oven dry is 120 ~ 180 DEG C, and the time is 3 ~ 5 hours.
Preferably, the temperature of described calcining is 850 ~ 1050 DEG C, and the time is 3 ~ 5 hours.
Preferably, described washing is treated to and is washed to equivalent concentration is that the silver nitrate solution detection of 0.1N is without chlorion.
When adopting the precipitator method to prepare yttrium stable zirconium oxide, add the zirconium white grog that yttrium is stable, it is made to be dispersed in hydration zirconium gel, in calcination process with the stable zirconium white grog of yttrium for nucleus, form composite grain high abrasion ceramic material powder, make the wear resistance of ceramic material powder, compactness is greatly improved.
Material powder of the present invention can make Stupalox or other various ceramic members according to a conventional method.
After adopting technique scheme, the present invention is compared with existing background technology, and tool has the following advantages:
1, material powder of the present invention, wear resistance is high, hardness is high, corrosion-resistant.
2, the ceramic member wear resistance made with material powder of the present invention is high, is conducive to the continuity that uses and persistence, is particularly suitable for Stupalox, and can be widely used in other ceramic device requiring wear resistance high or instrument.
Embodiment
Below provide some embodiments of the present invention, to help understanding the present invention further, but protection scope of the present invention is not limited in these embodiments.
Embodiment one
A preparation technology for composite grain high abrasion zirconia ceramics material powder, carries out according to the following steps:
(1) zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol are stirred and be dissolved in deionized water, be prepared into solution A, wherein: the mol ratio of zirconium oxychloride and Yttrium trinitrate is 97:3; Polyoxyethylene glycol: the weight ratio of (zirconium oxychloride+Yttrium trinitrate) is 1:800; Deionized water: the weight ratio of (zirconium oxychloride+Yttrium trinitrate+polyoxyethylene glycol) is 1:0.6;
Ammonium hydrogencarbonate and deionized water are mixed with the solution that mass percentage concentration is 20%, obtain solution B;
Peregal and deionized water are mixed with the solution that mass percentage concentration is 10%, obtain solution C; The volume ratio of solution C and solution A is 1:10;
(2) first zirconium white grog stable for yttrium, deionized water to be added in the reactor of belt stirrer (water added just submergence reactor bottom), stir half an hour, the zirconium white grog that yttrium is stable: the weight ratio of (zirconium oxychloride+Yttrium trinitrate) is 1:10; Then drip solution A and solution B simultaneously, carry out coprecipitation reaction;
The rate of addition of regulator solution B, control pH=9.5, after reaction terminates, continues stir and drip solution C;
(3) after solution C drips, then stir half an hour, then adopt deionized water washing process, being washed to equivalent concentration is that the silver nitrate solution detection of 0.1N is without chlorion.The temperature of then dry, drying is 150 DEG C, and the time is 3 hours.Then calcine, the temperature of calcining is 1000 DEG C, and the time is 4 hours, finally pulverizes.
Wherein, the preparation method of the zirconium white grog that yttrium is stable is: the yttrium stable zirconium oxide containing yttrium 3mol% is calcined 5 hours through 1450 DEG C, and then through fragmentation, sieve gained.
The stable zirconium white grog of yttrium is made up of by weight percentage the grog of following particle diameter: the grog 20% of particle diameter 20 ~ 30um (be more than or equal to 20um and be less than 30um), the grog 60% of particle diameter 30 ~ 40um (be more than or equal to 30um and be less than 40um), the grog 10% of particle diameter 40 ~ 60um (be more than or equal to 40um and be less than 60um) and the grog 10% of particle diameter 60-80um (be more than or equal to 60um and be less than or equal to 80um).
Embodiment two
A preparation technology for composite grain high abrasion zirconia ceramics material powder, carries out according to the following steps:
(1) zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol are stirred and be dissolved in deionized water, be prepared into solution A, wherein: the mol ratio of zirconium oxychloride and Yttrium trinitrate is 97:3; Polyoxyethylene glycol: the weight ratio of (zirconium oxychloride+Yttrium trinitrate) is 1:100; Deionized water: the weight ratio of (zirconium oxychloride+Yttrium trinitrate+polyoxyethylene glycol) is 1:0.5;
Ammonium hydrogencarbonate and deionized water are mixed with the solution that mass percentage concentration is 15%, obtain solution B;
Peregal and deionized water are mixed with the solution that mass percentage concentration is 10%, obtain solution C; The volume ratio of solution C and solution A is 1:5;
(2) first zirconium white grog stable for yttrium, deionized water are added in the reactor of belt stirrer, stir half an hour, the zirconium white grog that yttrium is stable: the weight ratio of (zirconium oxychloride+Yttrium trinitrate) is 1:20; Then drip solution A and solution B simultaneously, carry out coprecipitation reaction;
The rate of addition of regulator solution B, control pH=9.5, after reaction terminates, continues stir and drip solution C;
(3) after solution C drips, then stir half an hour, then adopt deionized water washing process, being washed to equivalent concentration is that the silver nitrate solution detection of 0.1N is without chlorion.The temperature of then dry, drying is 120 DEG C, and the time is 5 hours.Then calcine, the temperature of calcining is 1050 DEG C, and the time is 5 hours, finally pulverizes.
Wherein, the preparation method of the zirconium white grog that yttrium is stable is: the yttrium stable zirconium oxide containing yttrium 3mol% is calcined 4 hours through 1500 DEG C, and then through fragmentation, sieve gained.The particle diameter of the zirconium white grog that yttrium is stable is 20 ~ 80um.
Embodiment three
A preparation technology for composite grain high abrasion zirconia ceramics material powder, carries out according to the following steps:
(1) zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol are stirred and be dissolved in deionized water, be prepared into solution A, wherein: the mol ratio of zirconium oxychloride and Yttrium trinitrate is 97:3; Polyoxyethylene glycol: the weight ratio of (zirconium oxychloride+Yttrium trinitrate) is 1:500; Deionized water: the weight ratio of (zirconium oxychloride+Yttrium trinitrate+polyoxyethylene glycol) is 1:0.8;
Ammonium hydrogencarbonate and deionized water are mixed with the solution that mass percentage concentration is 16%, obtain solution B;
Peregal and deionized water are mixed with the solution that mass percentage concentration is 10%, obtain solution C; The volume ratio of solution C and solution A is 1:20;
(2) first zirconium white grog stable for yttrium, deionized water are added in the reactor of belt stirrer, stir half an hour, the zirconium white grog that yttrium is stable: the weight ratio of (zirconium oxychloride+Yttrium trinitrate) is 1:5; Then drip solution A and solution B simultaneously, carry out coprecipitation reaction;
The rate of addition of regulator solution B, control pH=10, after reaction terminates, continues stir and drip solution C;
(3) after solution C drips, then stir half an hour, then adopt deionized water washing process, being washed to equivalent concentration is that the silver nitrate solution detection of 0.1N is without chlorion.The temperature of then dry, drying is 180 DEG C, and the time is 4 hours.Then calcine, the temperature of calcining is 850 DEG C, and the time is 5 hours, finally pulverizes.
Wherein, the preparation method of the zirconium white grog that yttrium is stable is: the yttrium stable zirconium oxide containing yttrium 3mol% is calcined 3 hours through 1700 DEG C, and then through fragmentation, sieve gained.The particle diameter of the zirconium white grog that yttrium is stable is 20 ~ 80um.
Experiment:
The material powder that embodiment one, two, three obtains is made Stupalox by this area ordinary method respectively, separately gets common zirconia ceramic knife on the market and carry out simultaneous test.
Detect with reference to GB/T3810.6-2006 examination criteria.Detected result shows, and the wear resistance of common zirconia ceramic knife is: wear volume (mm
3)>=3, the wear resistance of the zirconia ceramics part that the material powder that the present embodiment one, two, three obtains is made is wear volume (mm
3)≤2.
Detected result shows, the wear resistance of the zirconia ceramic knife that material powder of the present invention is made has great enhancing, and be doubled left and right.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. a composite grain high abrasion zirconia ceramics material powder, is characterized in that: comprise major ingredient and the stable zirconium white grog of yttrium, the weight ratio of the zirconium white grog that yttrium is stable and major ingredient is 1:5 ~ 20; Wherein: major ingredient is the composition of zirconium oxychloride and Yttrium trinitrate, the mol ratio of zirconium oxychloride and Yttrium trinitrate is 97:3.
2. a kind of composite grain high abrasion zirconia ceramics material powder according to claim 1, it is characterized in that: the preparation method of the zirconium white grog that yttrium is stable is: the yttrium stable zirconium oxide containing yttrium 3mol% calcines 3-5 hour through 1450 ~ 1750 DEG C, then through fragmentation, sieve gained.
3. a kind of composite grain high abrasion zirconia ceramics material powder according to claim 2, is characterized in that: the particle diameter of the zirconium white grog that yttrium is stable is 20 ~ 80um.
4. a kind of composite grain high abrasion zirconia ceramics material powder according to claim 3, is characterized in that: the stable zirconium white grog of yttrium is made up of by weight percentage the grog of following particle diameter: the grog 20% of particle diameter 20 ~ 30um, the grog 60% of particle diameter 30 ~ 40um, the grog 10% of particle diameter 40 ~ 60um and the grog 10% of particle diameter 60-80um.
5. the preparation technology of a kind of composite grain high abrasion zirconia ceramics material powder as described in any one of Claims 1-4, is characterized in that: carry out according to the following steps:
(1) zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol are stirred and be dissolved in deionized water, be prepared into solution A, wherein the weight ratio of polyoxyethylene glycol and major ingredient is 1:100 ~ 800, and the weight ratio of the composition of deionized water and zirconium oxychloride, Yttrium trinitrate, polyoxyethylene glycol is 1:0.45 ~ 0.85;
Ammonium hydrogencarbonate and deionized water are mixed with the solution that mass percentage concentration is 15-20%, obtain solution B;
Peregal and deionized water are mixed with the solution that mass percentage concentration is 10%, obtain solution C; The volume ratio of solution C and solution A is 1:5 ~ 20;
(2) first by zirconium white grog stable for yttrium, be added in the reactor of belt stirrer with deionized water, stir, then drip solution A and solution B simultaneously, carry out coprecipitation reaction;
The rate of addition of regulator solution B, control pH=8.5 ~ 10, after reaction terminates, continue stir and drip solution C;
(3) after solution C drips, stir, then adopt deionized water washing process, oven dry, calcining, finally pulverize.
6. the preparation technology of a kind of composite grain high abrasion zirconia ceramics material powder as claimed in claim 5, is characterized in that: the temperature of described oven dry is 120 ~ 180 DEG C, and the time is 3 ~ 5 hours.
7. the preparation technology of a kind of composite grain high abrasion zirconia ceramics material powder as claimed in claim 5, is characterized in that: the temperature of described calcining is 850 ~ 1050 DEG C, and the time is 3 ~ 5 hours.
8. the preparation technology of a kind of composite grain high abrasion zirconia ceramics material powder as claimed in claim 5, is characterized in that: described washing is treated to and is washed to equivalent concentration is that the silver nitrate solution detection of 0.1N is without chlorion.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503179A (en) * | 2015-12-15 | 2016-04-20 | 东莞信柏结构陶瓷股份有限公司 | Making method for ceramic cutting tool |
| CN107373776A (en) * | 2017-09-04 | 2017-11-24 | 深圳云蒙科技有限公司 | It is a kind of to be used to heat electro-thermal heating element for the cigarette that do not burn and preparation method thereof |
| CN108911744A (en) * | 2018-08-10 | 2018-11-30 | 歌尔股份有限公司 | The preparation method and composite material of zirconia ceramics |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718481A (en) * | 2012-07-03 | 2012-10-10 | 福建省智胜矿业有限公司 | Zirconia powder added with trace elements and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102718481A (en) * | 2012-07-03 | 2012-10-10 | 福建省智胜矿业有限公司 | Zirconia powder added with trace elements and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503179A (en) * | 2015-12-15 | 2016-04-20 | 东莞信柏结构陶瓷股份有限公司 | Making method for ceramic cutting tool |
| CN107373776A (en) * | 2017-09-04 | 2017-11-24 | 深圳云蒙科技有限公司 | It is a kind of to be used to heat electro-thermal heating element for the cigarette that do not burn and preparation method thereof |
| CN108911744A (en) * | 2018-08-10 | 2018-11-30 | 歌尔股份有限公司 | The preparation method and composite material of zirconia ceramics |
| CN108911744B (en) * | 2018-08-10 | 2020-05-29 | 歌尔股份有限公司 | Preparation method of zirconia ceramic and composite material |
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